Crossword Genius

Firmly demonstrate (5)

Ross

I believe the answer is:

prove

(Other definitions for prove that I've seen before include "Show to be true" , "Ascertain" , "Demonstrate beyond doubt" , "Establish the validity of" , "13 [SHOW]" .)

I've seen this clue in The Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.